111345123613 has 8 divisors (see below), whose sum is σ = 116926259328. Its totient is φ = 105825658224.

The previous prime is 111345123557. The next prime is 111345123619. The reversal of 111345123613 is 316321543111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111345123613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111345123619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15413881 + ... + 15421102.

It is an arithmetic number, because the mean of its divisors is an integer number (14615782416).

Almost surely, 2^111345123613 is an apocalyptic number.

It is an amenable number.

111345123613 is a deficient number, since it is larger than the sum of its proper divisors (5581135715).

111345123613 is a wasteful number, since it uses less digits than its factorization.

111345123613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30835163.

The product of its digits is 6480, while the sum is 31.

Adding to 111345123613 its reverse (316321543111), we get a palindrome (427666666724).

The spelling of 111345123613 in words is "one hundred eleven billion, three hundred forty-five million, one hundred twenty-three thousand, six hundred thirteen".